细胞膜中的单体(左图)和KR2视紫红质五聚体(蓝色圆片) (IMAGE) Moscow Institute of Physics and Technology Caption 在单体状态下,钠运输被阻断,气孔(橙色)不让离子渗透到蛋白中。 Credit Kirill Kovalev <em>et al</em>., <em>Science Advances</em> Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.